Anti-falling unit for elevator Abstract The invention relates to an anti-falling unit suitable for the elevator. The unit includes a trestle fixed connected with the cabin and a guide rail arranged along the elevator shaft; the unit further includes a first gear, a second gear, a trolley wheel, a triggering unit, a connecting 5 rod, an elastic component and a supporting shaft. The triggering unit is mounted on the trestle, the trolley wheel is freely rotatably mounted on the trestle by the supporting shaft, the guide rail is arranged between the first gear and the trolley wheel, the first gear engages with the gear surface of the guide rail, the trolley wheel rolls 10 on the smooth surface of the guide rail, the connecting rod make the second gear revolve around the axis of the first gear and engage with the first gear, the connecting rod is provided with a triggering bore pluggably matting with the triggering end, when the triggering end withdraw from the triggering bore, the elastic force makes the second 15 gear engage with the guide rail, at this momnent, the mechanism has zero freedom degree, the elevator can not move downward or fall so as to achieve the anti-falling function of the elevator. % - 8 79l F-g4 Fig.11
Anti-falling unit for elevator
2015-05-21
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |